Virtual device/driver probing done via name.
A new alternative method introduced to probe the device with providing
driver name in devargs as "driver=<driver_name>".
This patch removes alternative method and fixes virtual device usages
with proper device names.
Fixes: 87c3bf29c642 ("test: do not short-circuit null device creation")
Fixes: d39670086a63 ("eal: parse driver argument before probing drivers")
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
9bf4901d1a